He was employed by Tadatoshi Hosokawa, the lord of the Higo Kumamoto Domain, and became a tsuba maker, completing Higo tsuba. The Hayashi family is the mainstream, and Matashichi in particular is said to be the founder of Higo metalwork. Matashichi's style specializes in the production of iron tsuba, and is characterized by excellent iron forging, and in addition to the quality of iron rust, the skillful use of gold inlays and elaborate openwork. In addition to the important cultural property [[Hasen cherry blossom inlaid tsuba]] [[Sakura kuyomon transparent inlaid tsuba]], there are Tomimats-Sukashi, Nagegiri Sukashi, and Gomon Sukashi.